As at March 31, 2018, for each of the Company’s defined benefit plans, the sensitivity of the defined benefit obligation to a change in each significant actuarial assumption is as follows:
| India | Philippines | Sri Lanka | ||||||||||
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Discount rate: |
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Increase in discount rate by 1% |
(7.3)% | (1.4 | )% | (3.4 | )% | |||||||
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Decrease in discount rate by 1% |
0.7% | 1.5 | % | 0.5 | % | |||||||
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Rate of increase in compensation level: |
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Increase in salary escalation rate by 1% |
3.6% | 1.0 | % | 1.5 | % | |||||||
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Decrease in salary escalation rate by 1% |
(3.5)% | (0.9 | )% | (1.5 | )% | |||||||